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Diffstat (limited to 'client/asmjit/core/jitruntime.cpp')
| -rw-r--r-- | client/asmjit/core/jitruntime.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/client/asmjit/core/jitruntime.cpp b/client/asmjit/core/jitruntime.cpp deleted file mode 100644 index 1127c86..0000000 --- a/client/asmjit/core/jitruntime.cpp +++ /dev/null @@ -1,120 +0,0 @@ -// AsmJit - Machine code generation for C++ -// -// * Official AsmJit Home Page: https://asmjit.com -// * Official Github Repository: https://github.com/asmjit/asmjit -// -// Copyright (c) 2008-2020 The AsmJit Authors -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would be -// appreciated but is not required. -// 2. Altered source versions must be plainly marked as such, and must not be -// misrepresented as being the original software. -// 3. This notice may not be removed or altered from any source distribution. - -#include "../core/api-build_p.h" -#ifndef ASMJIT_NO_JIT - -#include "../core/cpuinfo.h" -#include "../core/jitruntime.h" - -ASMJIT_BEGIN_NAMESPACE - -// ============================================================================ -// [asmjit::JitRuntime - Utilities] -// ============================================================================ - -// Only useful on non-x86 architectures. -static inline void JitRuntime_flushInstructionCache(const void* p, size_t size) noexcept { -#if defined(_WIN32) && !ASMJIT_ARCH_X86 - // Windows has a built-in support in `kernel32.dll`. - ::FlushInstructionCache(::GetCurrentProcess(), p, size); -#else - DebugUtils::unused(p, size); -#endif -} - -// ============================================================================ -// [asmjit::JitRuntime - Construction / Destruction] -// ============================================================================ - -JitRuntime::JitRuntime(const JitAllocator::CreateParams* params) noexcept - : _allocator(params) { - _environment = hostEnvironment(); - _environment.setFormat(Environment::kFormatJIT); -} - -JitRuntime::~JitRuntime() noexcept {} - -// ============================================================================ -// [asmjit::JitRuntime - Interface] -// ============================================================================ - -Error JitRuntime::_add(void** dst, CodeHolder* code) noexcept { - *dst = nullptr; - - ASMJIT_PROPAGATE(code->flatten()); - ASMJIT_PROPAGATE(code->resolveUnresolvedLinks()); - - size_t estimatedCodeSize = code->codeSize(); - if (ASMJIT_UNLIKELY(estimatedCodeSize == 0)) - return DebugUtils::errored(kErrorNoCodeGenerated); - - uint8_t* ro; - uint8_t* rw; - ASMJIT_PROPAGATE(_allocator.alloc((void**)&ro, (void**)&rw, estimatedCodeSize)); - - // Relocate the code. - Error err = code->relocateToBase(uintptr_t((void*)ro)); - if (ASMJIT_UNLIKELY(err)) { - _allocator.release(ro); - return err; - } - - // Recalculate the final code size and shrink the memory we allocated for it - // in case that some relocations didn't require records in an address table. - size_t codeSize = code->codeSize(); - - for (Section* section : code->_sections) { - size_t offset = size_t(section->offset()); - size_t bufferSize = size_t(section->bufferSize()); - size_t virtualSize = size_t(section->virtualSize()); - - ASMJIT_ASSERT(offset + bufferSize <= codeSize); - memcpy(rw + offset, section->data(), bufferSize); - - if (virtualSize > bufferSize) { - ASMJIT_ASSERT(offset + virtualSize <= codeSize); - memset(rw + offset + bufferSize, 0, virtualSize - bufferSize); - } - } - - if (codeSize < estimatedCodeSize) - _allocator.shrink(ro, codeSize); - - flush(ro, codeSize); - *dst = ro; - - return kErrorOk; -} - -Error JitRuntime::_release(void* p) noexcept { - return _allocator.release(p); -} - -void JitRuntime::flush(const void* p, size_t size) noexcept { - JitRuntime_flushInstructionCache(p, size); -} - -ASMJIT_END_NAMESPACE - -#endif |